noiseplug/win/main.cpp

147 lines
4.1 KiB
C++

#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <malloc.h>
#include <Windows.h>
#include <MMSystem.h>
#include "binary.h"
int notes[37] = { 134, 142, 150, 159, 169, 179, 189, 201, 213, 225, 239, 253, 268, 284, 301, 319, 338, 358, 379, 401, 425, 451, 477, 506, 536, 568, 601, 637, 675, 715, 758, 803, 851, 901, 955, 1011, 1072 };
int arpeggio[][4] = {
{ 12, 15, 19, 24 },
{ 15, 19, 22, 27 },
{ 10, 14, 17, 22 },
{ 8, 12, 15, 20 },
{ 12, 15, 17, 22 },
{ 12, 15, 17, 21 },
{ 17, 20, 24, 29 },
{ 14, 17, 22, 26 },
// { 0, 2, 4, 7 },
// { 0, 2, 4, 6 },
// { 0, 2, 5, 9 },
// { 0, 2, 5, 8 },
};
int arpseq[48] = {
0, 0, 1, 2, 0, 0, 6, 2,
0, 0, 1, 2, 0, 0, 1, 7,
0, 0, 1, 2, 0, 0, 6, 2,
0, 0, 1, 2, 0, 0, 1, 2,
3, 3, 2, 2, 0, 0, 4, 5,
3, 3, 2, 2, 0, 0, 1, 2,
};
//int arptiming[32] = { 4, 2, 4, 2, 4, 2, 4, 5, 1, 2, 2 }
const uint32_t arptiming = B32(00001100,00110000,11111011,00001100);
int bassbeat[8] = { 0, 0, 1, 0, 0, 1, 0, 1 };
int bassline[48] = {
12, 12, 15, 10, 12, 12, 17, 10, 12, 12, 15, 7, 8, 8, 3, 7,
12, 12, 15, 10, 12, 12, 17, 10, 12, 12, 15, 7, 8, 8, 3, 7,
8, 8, 10, 10, 12, 12, 5, 5, 8, 8, 10, 10, 12, 12, 15, 10
};
#define LEADSIZE 56
int leadmelody[LEADSIZE] = {
// 12, 7, 0, 12, 0, 14, 15, 0, 14, 0, 12, 0, 14, 15, 0, 14, 0, 12, 0, 14, 10, 0, 7, 5, 7, 3, 1, 0,
// 12, 7, 0, 12, 0, 14, 15, 0, 14, 0, 12, 0, 14, 15, 0, 14, 0, 15, 0, 17, 19, 0, 22, 24, 26, 27, 24, 0,
8, 3, 0, 8, 10, 12, 14, 15, 19, 17, 0, 12, 7, 0, 12, 14, 15
};
int leadtiming[LEADSIZE] = {
// 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 1, 2, 3, 28,
// 2, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 2, 1, 2, 2, 1, 2, 3, 28,
2, 1, 1, 2, 1, 3, 2, 2, 1, 3, 14,
};
static inline unsigned char voice_lead(unsigned long i)
{
static uint8_t leadptr = 0xFF;
static uint16_t lead_osc = 0;
static uint16_t lead_flange = 0;
static uint8_t leadtimer = 1;
if (0 == (i & 0x3FF))
leadtimer--;
if (0 == leadtimer)
{
leadptr++;
if (leadptr == LEADSIZE)
leadptr = 0;
leadtimer = leadtiming[leadptr];
}
uint8_t melody = leadmelody[leadptr];
int note = notes[melody == 1 ? 0 : melody]; // TODO remove this hack by using note table
lead_osc += note;
lead_flange += note + (i & 1);
return (!melody) ? 0 : (((lead_osc >> 6) & 0x7F) + (((lead_osc >> 6) & 0x3F) + ((lead_flange >> 6) & 0x3F))); // xor also sounds cool
}
static inline unsigned char voice_arp(unsigned long i)
{
static uint16_t arp_osc = 0;
int note = notes[arpeggio[arpseq[(i >> 13) % 48]][(i >> 7) & 3]];
arp_osc += note;
return ((arptiming & (1 << (31 - (i >> 9)))) && (arp_osc & (1 << 12))) ? 0 : 140;
//return ((arp_osc >> 5) & 128) - 1;
}
static inline unsigned char voice_bass(unsigned long i)
{
static uint16_t bassosc = 0, flangeosc = 0;
int note = notes[bassline[(i >> 13) % 48]];
if (bassbeat[(i >> 10) & 7])
note <<= 1;
bassosc += note;
flangeosc += note + 1;
unsigned char ret = ((bassosc >> 8) & 0x7F) + ((flangeosc >> 8) & 0x7F);
return ((i >> 6) & 0xF) == 0xF ? 0 : ret;
}
void fill(char *data)
{
static unsigned long i = 0;
for (int j = 0; j < 4096; j++)
{
unsigned char sample = /*(voice_lead(i) >> 1) + */(voice_bass(i) >> 2) + (voice_arp(i) >> 2);
data[j] = sample;
i++;
}
}
static const WAVEFORMATEX fmt = {
WAVE_FORMAT_PCM, 1, 8000, 8000, 1, 8, 0
};
int main(int argc, char *argv[])
{
HWAVEOUT out;
HRESULT rc = waveOutOpen(&out, WAVE_MAPPER, &fmt, NULL, NULL, CALLBACK_NULL);
if (rc != MMSYSERR_NOERROR)
{
printf("error %d on open\n");
exit(1);
}
WAVEHDR bufs[2] = {
{ (char *)malloc(4096), 4096 },
{ (char *)malloc(4096), 4096 },
};
int i = 0;
fill(bufs[i].lpData);
bufs[i].dwFlags = WHDR_PREPARED;
waveOutPrepareHeader(out, bufs + i, sizeof(WAVEHDR));
waveOutWrite(out, bufs + i, sizeof(WAVEHDR));
i ^= 1;
while (!(GetAsyncKeyState(VK_ESCAPE) & 1))
{
fill(bufs[i].lpData);
bufs[i].dwFlags = WHDR_PREPARED;
waveOutPrepareHeader(out, bufs + i, sizeof(WAVEHDR));
waveOutWrite(out, bufs + i, sizeof(WAVEHDR));
i ^= 1;
while (waveOutUnprepareHeader(out, bufs + i, sizeof(WAVEHDR)) == WAVERR_STILLPLAYING);
}
}